Bonding and properties

Last updated: 04/02/2020

Edexcel A-Level Chemistry Bonding and structure Bonding and properties

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Question 1 of 34

1. Question
What is the definition of a simple molecular structure?
- Atoms within each molecule are held together by strong covalent bonds, molecules are held together by weak intermolecular forces
- Molecules are held by strong covalent bonds
- Atoms within each molecule are held together by strong covalent bonds, molecules are held together by strong covalent forces
- Molecules are held by strong ionic bonds
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Question 2 of 34

2. Question
What is the definition of a giant covalent lattice?
- Molecules are held by strong covalent bonds
- Atoms within each molecule are held together by strong covalent bonds, molecules are held together by weak intermolecular forces
- Atoms within each molecule are held together by strong covalent bonds, molecules are held together by strong covalent forces
- Molecules are held by strong ionic bonds
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Question 3 of 34

3. Question
Describe the melting and boiling points of compounds with simple molecular structures.
- Melting point – low, boiling point – low
- Melting point – low, boiling point – high
- Melting point – high, boiling point – high
- Melting point – high, boiling point – low
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Question 4 of 34

4. Question
Describe the melting and boiling points of compounds with giant covalent lattices.
- Melting point – high, boiling point – high
- Melting point – high, boiling point – low
- Melting point – low, boiling point – high
- Melting point – low, boiling point – low
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Question 5 of 34

5. Question
Describe the electrical conductivity of compounds with simple molecular structures.
- Do not conduct electricity
- Conduct electricity
- Only conducts electricity when molten
- Only conducts electricity when solid
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Question 6 of 34

6. Question
Describe the electrical conductivity of compounds with giant covalent lattices.
- Do not conduct electricity
- Conduct electricity
- Only conducts electricity when molten
- Only conducts electricity when solid
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Question 7 of 34

7. Question
Describe the solubility of compounds with simple molecular structures.
- Soluble in non-polar substances
- Insoluble in both polar and non-polar substances
- Insoluble in non-polar substances
- Soluble in polar substances
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Question 8 of 34

8. Question
Describe the solubility of compounds with giant covalent lattices.
- Insoluble in both polar and non-polar substances
- Soluble in non-polar substances
- Insoluble in non-polar substances
- Soluble in polar substances
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Question 9 of 34

9. Question
Why do compounds with simple molecular structures have low melting and boiling points?
- They have weak intermolecular forces, with small amount of energy needed to break them
- They have weak electrostatic forces, with small amounts of energy needed to break them
- They have strong covalent bonds, with small amounts of energy needed to break them
- They have strong intermolecular forces, with small amounts of energy needed to break them
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Question 10 of 34

10. Question
Why do compounds with giant covalent lattices have high melting and boiling points?
- Lots of energy needed to break the strong covalent bonds within molecules
- Lots of energy needed to break the strong ionic bonds within molecules
- Lots of energy needed to break the weak covalent bonds within molecules
- Lots of energy needed to break the weak ionic bonds within molecules
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Question 11 of 34

11. Question
Why are compounds with simple molecular structures non-conductors of electricity?
- There are no free particles to carry the charge
- They do not contain enough electronegativity
- They do not contain a charged particle
- There are free electrons/ions
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Question 12 of 34

12. Question
Why are compounds with giant covalent lattices non-conductors of electricity?
- There are no free particles to carry the charge
- They do not contain enough electronegativity
- They do not contain a charged particle
- There are free electrons/ions
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Question 13 of 34

13. Question
Which compound with a giant covalent lattice is an exception to others and does conduct electricity?
- Graphite
- Diamond
- $H_2O$
- $SiO_2$
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Question 14 of 34

14. Question
Why are compounds with simple molecular structures soluble in non-polar substances?
- Weak London forces form in between covalent molecules, breaking down the lattice and dissolving the compounds
- Weak London forces form in between the intermolecular forces, breaking down the lattice and dissolving the compounds
- They dissolve in water
- Strong intermolecular forces break down the lattice
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Question 15 of 34

15. Question
Why are compounds with giant covalent lattices insoluble in both polar and non-polar substances?
- Covalent bonds in the lattice are too strong to be broken
- They do not contain any free electrons
- London forces between molecules are too strong to be broken
- They are too strong
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Question 16 of 34

16. Question
Which of the following compounds contain a simple molecular lattice?
- $H_2$
- Diamond
- MgO
- $SiO_2$
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Question 17 of 34

17. Question
Which of the following compounds contain a simple molecular lattice?
- $H_2O$
- $SiO_2$
- Graphite
- NaCl
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Question 18 of 34

18. Question
Which of the following compounds contain a giant covalent lattice?
- $SiO_2$
- $H_2O$
- $O_2$
- $FeCl_3$
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Question 19 of 34

19. Question
Which of the following compounds contain a giant covalent lattice?
- Diamond
- NaCl
- $H_2O$
- $NH_4$
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Question 20 of 34

20. Question
What type of bonding is in Cu?
- Metallic
- Covalent
- Ionic
- Electrostatic
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Question 21 of 34

21. Question
What type of bonding is in AlF $_3$ ?
- Ionic
- Metallic
- Covalent
- Electrostatic
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Question 22 of 34

22. Question
Which type of bonding is in MgO?
- Ionic
- Electrostatic
- Covalent
- Metallic
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Question 23 of 34

23. Question
What type of bonding is in $C_2H_4$ ?
- Covalent
- Ionic
- Metallic
- Electrostatic
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Question 24 of 34

24. Question
What type of bonding is in Zn?
- Metallic
- Covalent
- Electrostatic
- Ionic
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Question 25 of 34

25. Question
What type of bonding is in Cl $_2$ ?
- Covalent
- Metallic
- Ionic
- Electrostatic
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Question 26 of 34

26. Question
What type of bonding is in Al?
- Metallic
- Ionic
- Covalent
- Electrostatic
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Question 27 of 34

27. Question
What type of bonding is in SO $_2$ ?
- Covalent
- Ionic
- Metallic
- Electrostatic
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Question 28 of 34

28. Question
What type of bonding is in NaF?
- Ionic
- Covalent
- Electrostatic
- Covalent
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Question 29 of 34

29. Question
What type of bonding is in $H_2O$ ?
- Covalent
- Ionic
- Metallic
- Electrostatic
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Question 30 of 34

30. Question
What type of bonding is in NaCl?
- Ionic
- Covalent
- Metallic
- Electrostatic
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Question 31 of 34

31. Question
What type of bonding is in ZnO?
- Ionic
- Metallic
- Covalent
- Electrostatic
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Question 32 of 34

32. Question
What type of bonding is in Fe?
- Metallic
- Covalent
- Ionic
- Electrostatic
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Question 33 of 34

33. Question
What type of bonding is in BF $_3$ ?
- Covalent
- Metallic
- Ionic
- Electrostatic
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Question 34 of 34

34. Question
What type of bonding is in CO $_2$ ?
- Covalent
- Ionic
- Metallic
- Electrostatic
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